“放牧系统”的概念、定义、翻译、参考文献-科学参考

单词	放牧系统
释义	放牧系统 Encyclopedia 农学放牧系统释 grazing system放牧系统以非生物组分（气候、土壤）、生物组分（家畜、牧草、微生物）和人类生产劳动（放牧管理和改良）共同构成的以土壤—牧草—家畜—系统管理为主干，以放牧过程中草地物质和能量循环、转化为主体的开放生态系统。
随便看	population control population correlation coefficient population covariance population crash population crisis population demography population density population density of pest Population Development population deviation population dispersal population distribution population distribution laws population distribution of cancer population diversity population doubling time population dynamics population dynamics of marine organisms population dynamics of rodents population ecological restoration population ecology population equilibrium population equivalent population eruption population ethic

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。